Labrum: Soft-tissue ring of cartilage around the hip socket, providing the stability and suction seal of the hip joint.

Ligaments: Band of tough fibrous tissue which connects bones or structures together. Provides strength and support at joints.

Musculo Tendinous Junction: The 'transitional' area in a muscle-tendon unit i.e. where muscle is 'becoming' tendon or vice versa.

Osteoarthritis: The most common form of arthritis seen by orthopaedic surgeons. Also known as osteoarthrosis. A degenerative arthritis; may be primary, may follow injury or disease involving the articular surfaces of synovial joints. The articular cartilage becomes worn; osteophytes form and loose bodies may result. The joints most commonly affected are the knees, hips, spine and hands. There is pain, joint disruption and loss of mobility. Management includes: activity modification, physiotherapy to improve muscle strength, hydrotherapy, analgesia, NSAIDs, weight loss as appropriate, mobility aids, intra-articular injections of a corticosteroid and surgery.